• Clarissa Hsu, Sarah Evers, Benjamin H Balderson, Karen J Sherman, Nadine E Foster, Katherin Estlin, Martin Levine, and Dan Cherkin.
• Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA.
• Pain Med. 2019 Jun 1; 20 (6): 110511191105-1119.

ObjectiveTo support implementation of effective treatments for back pain that can be delivered to a range of people, we summarize learnings from our process evaluation of the MATCH trial's implementation of an adaptation of the STarT Back risk-stratified care model.DesignOur logic model-driven evaluation focused primarily on qualitative data sources.SettingThis study took place in a US-based health care delivery system that had adapted and implemented the STarT Back stratified care approach. This was the first formal test of the strategy in a US setting.MethodsData collection included observation of implementation activities, staff/provider interviews, and post-training evaluation questionnaires. Data were analyzed using thematic analysis of qualitative data and descriptive statistics for questionnaire data.ResultsWe found that both primary care teams and physical therapists at intervention clinics gave the training high scores on evaluation questionnaires and reported in the interviews that they found the training engaging and useful. However, there was significant variation in the extent to which the risk stratification strategy was incorporated into care. Some primary care providers reported that the intervention changed their conversations with patients and increased their confidence in working with patients with back pain. Providers using the STarT Back tool did not change referral rates for recommended matched treatments.ConclusionsThese insights provide guidance for future efforts to adapt and implement the STarT Back strategy and other complex practice change interventions. They emphasize the need for primary care-based interventions to minimize complexity and the need for ongoing monitoring and feedback.© 2018 American Academy of Pain Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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